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Diamond Core Drill Bit
This professional diamond core bit is high-frequency welded, providing a rapid and clean drill. M22, 1 1/4UNC, 1/2Gas universal thread is suitable for multiple drill rigs, apply to concrete and brick. * Efficient & Smooth Cutting * Engineered For Exact Fitting * Humanized Structure * Simple Operation

| Diameter (a) | b-c | |
| Diameter (mm) | inch | Overall Length-Effective Length |
| Φ30 | 1-3/16" | 370-330 450-410 |
| Φ32 | 1-1/4" | |
| Φ36 | 1-2/5" | |
| Φ38 | 1-1/2" | |
| Φ40 | 1-3/5" | |
| Φ44 | 1-7/10" | |
| Φ46 | 1-4/5" | |
| Φ51 | 2" | |
| Φ56 | 2-1/5" | |
| Φ63 | 1-1/2" | |
| Φ76 | 3" | |
| Φ83 | 3-1/4" | |
Usage Scenarios



Diamond Core Drill Bit
This professional diamond core bit is high-frequency welded, providing a rapid and clean drill. M22, 1 1/4UNC, 1/2Gas universal thread is suitable for multiple drill rigs, apply to concrete and brick. * Efficient & Smooth Cutting * Engineered For Exact Fitting * Humanized Structure * Simple Operation

| Diameter (a) | b-c | |
| Diameter (mm) | inch | Overall Length-Effective Length |
| Φ30 | 1-3/16" | 370-330 450-410 |
| Φ32 | 1-1/4" | |
| Φ36 | 1-2/5" | |
| Φ38 | 1-1/2" | |
| Φ40 | 1-3/5" | |
| Φ44 | 1-7/10" | |
| Φ46 | 1-4/5" | |
| Φ51 | 2" | |
| Φ56 | 2-1/5" | |
| Φ63 | 1-1/2" | |
| Φ76 | 3" | |
| Φ83 | 3-1/4" | |
Usage Scenarios



